Home / 11,921,477,845.44-16,451,990,356.35-6,569,382,967.77

Finding the Fourth Proportional to 11,921,477,845.44, 16,451,990,356.35 and 6,569,382,967.77

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Solution

The fourth proportional to 11,921,477,845.44, 16,451,990,356.35 and 6,569,382,967.77 is: 9,065,941,876.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,921,477,845.44 : 16,451,990,356.35 = 6,569,382,967.77 : x
  2. Step 2: Convert to fraction form
    11,921,477,845.44/16,451,990,356.35 = 6,569,382,967.77/x
  3. Step 3: Cross multiply
    11,921,477,845.44x = 16,451,990,356.35 × 6,569,382,967.77
  4. Step 4: Simplify right side
    11,921,477,845.44x = 108,079,425,232,921,985,024
  5. Step 5: Solve for x
    x = 108,079,425,232,921,985,024/11,921,477,845.44
  6. Step 6: Final answer
    x = 9,065,941,876.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.